package com.kuang.service;

import com.kuang.pojo.Books;

import java.util.List;

public interface BookService {

        //增加一个Book
        int addBook(Books book);
        //根据id删除一个Book
        int deleteBookById(int id);
        //更新Book
        int updateBook(Books books);
        //根据id查询,返回一个Book
        Books queryBookById(int id);
        //查询全部Book,返回list集合
        List<Books> queryAllBook();
}
